#!/bin/bash
# Program:
#	Program creates three files, which named by user's input 
#	and date command.
# History:
# 2015/08/23 Leonardo First release
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

echo -e "I will use 'touch' command to create 3 files."
read -p "Please input your filename: " file_user

file_name=${file_user:-"file_name"}

date1=$(date --date='2 days ago' +%Y%m%d)
date2=$(date --date='1 days ago' +%Y%m%d)
date3=$(date +%Y%m%d)
file1=${file_name}${date1}
file2=${file_name}${date2}
file3=${file_name}${date3}

touch "$file1"
touch "$file2"
touch "$file3"

